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/*
* Copyright (c) 2016 Cisco and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.fd.honeycomb.infra.distro.activation;
import com.google.inject.Module;
import java.util.Set;
import java.util.stream.Collectors;
import static java.lang.String.format;
/**
* Provides static set of active activeModulesClasses
*/
public class ActiveModules {
private final Set<Class<? extends Module>> activeModulesClasses;
public ActiveModules(final Set<Class<? extends Module>> activeModulesClasses) {
this.activeModulesClasses = activeModulesClasses;
}
public Set<Class<? extends Module>> getActiveModulesClasses() {
return activeModulesClasses;
}
public Set<? extends Module> createModuleInstances() {
return activeModulesClasses.stream()
.map(moduleClass -> {
try {
return moduleClass.newInstance();
} catch (InstantiationException | IllegalAccessException e) {
throw new IllegalStateException(format("Unable to create instance of module %s", moduleClass),
e);
}
}).collect(Collectors.toSet());
}
@Override
public String toString() {
return "ActiveModules{" +
"activeModulesClasses=" + activeModulesClasses +
'}';
}
}
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